Posterior muscles Flashcards
1
Q
Latissimus dorsi
A
O - Lower spine and iliac crest
I - Proximal humerus
A - Extend and adducts the humerus
2
Q
Erector spinae
A
O - Lower spine and iliac crest. Ribs 2-3 and vertebrae
I - Ribs, thoracic and cervical vertebrae
A - Extend and laterally flexes spine
3
Q
Quadratus lumborum
A
O - Iliac crest, lumbar fascia
I - Transverse process of upper lumbar vertebrae
A - Flexes spine laterally; extend spine
